Many of the hardest-hit villages in Nepal are beyond the government’s reach after the earthquake, and it is difficult to assess the extent of the damage and the number of casualties.

• More than 3,800 people were killed and more than 7,100 injured in Nepal’s worst quake in 80 years.
• Aid is flowing into Katmandu, the capital, but hard-hit remote villages are inaccessible.
• Supplies of water and food, electricity and fuel are limited.
• Here’s a list of agencies aiding victims in Nepal.

New York Times correspondents in the region are reporting on the quake. Follow below for more.